Highly classified, the program is one of the Air ForceâEUR(TM)s top priorities âEUR" and its most expensive. The service estimates it will cost $55 billion to build as many as 100 of what it calls the Long Range Strike Bomber.

The Air Force is seriously considering flying planes in formation like geese in order to potentially trim hundreds of millions of dollars off its staggeringly high fuel bill. The idea has been studied and tested.

Officially, aliens have never existed but flying saucers very nearly did. The National Archives has recently published never-before-seen schematics and details of a 1950s military venture, Project 1794, which aimed to build a supersonic flying saucer.